A Guide to the Determination of Rocks: Being an Introduction to LithologyD. Van Nostrand, 1877 - 165 páginas |
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Página 5
... Slates , 83 IX . Siliceous Rocks , 89 X. Alkaline Rocks , 96 XI . Rocks of the Alkaline Earths , 98 XII . Aluminous Rocks with Silica , 108 XIII . Metallic Rocks , 109 XIV . Combustible Rocks , 114 PART THIRD . Method to be followed in ...
... Slates , 83 IX . Siliceous Rocks , 89 X. Alkaline Rocks , 96 XI . Rocks of the Alkaline Earths , 98 XII . Aluminous Rocks with Silica , 108 XIII . Metallic Rocks , 109 XIV . Combustible Rocks , 114 PART THIRD . Method to be followed in ...
Página 9
... slates , as has been demonstrated by the experiments of Sorby , Tyndall and M. Daubrée . Furthermore , sands and fragments of rock have been agglomerated by a cement which has been infiltrated . Sometimes the rock is traversed by ...
... slates , as has been demonstrated by the experiments of Sorby , Tyndall and M. Daubrée . Furthermore , sands and fragments of rock have been agglomerated by a cement which has been infiltrated . Sometimes the rock is traversed by ...
Página 82
... ( Pierre à pot , pierre ollaire ) : ( 1 ) A Talcose variety formed of compact and impure Steatite ; ( 2 ) Chloritic talcose variety , the most common . An CHAPTER VIII . ARGILLACEOUS SCHISTS AND SLATES . 84. Slates 82 DETERMINATION OF ROCKS .
... ( Pierre à pot , pierre ollaire ) : ( 1 ) A Talcose variety formed of compact and impure Steatite ; ( 2 ) Chloritic talcose variety , the most common . An CHAPTER VIII . ARGILLACEOUS SCHISTS AND SLATES . 84. Slates 82 DETERMINATION OF ROCKS .
Página 83
... SLATES . 84. Slates ( Phyllades ) .- This rock is characterized by the property to which lithologists give the name cleavage ; not applied , as in the case of minerals , to a body of definite compo- sition . It is exhibited in rocks of ...
... SLATES . 84. Slates ( Phyllades ) .- This rock is characterized by the property to which lithologists give the name cleavage ; not applied , as in the case of minerals , to a body of definite compo- sition . It is exhibited in rocks of ...
Página 84
... slates of Ottrez , an amorphous material allied to Pyrophyllite forms a matrix enclosing Quartz and Mi- ca. The colors of slates are various ; green , violet , blue , red , gray , yellow , black and their mixtures . Black is due to ...
... slates of Ottrez , an amorphous material allied to Pyrophyllite forms a matrix enclosing Quartz and Mi- ca. The colors of slates are various ; green , violet , blue , red , gray , yellow , black and their mixtures . Black is due to ...
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Términos y frases comunes
Accessory elements Accidental minerals Alumina Amphibole argillaceous attacked by acids Augite Basalts blackish blow-pipe Breccia brown Calc-spar Calcite Calcium carbon cavities cement Chlorite clay cleavage closed tube Cloth colorless compact conchoidal fracture contains crystalline crystals Delesse density Diorite Dolomite earthy easily Edition effervescence enamel Engineers Epidote Eurite exhibits Feldspar fibrous fragments fuses fusible Garnet globule globuliferous Gneiss grains granite granular gray grayish greasy lustre greenish hardness heated hexagonal Hornblende hydrochloric acid Illustrated Infantry infusible insoluble Labradorite laminæ layers less Lime Limestone Magnesia magnetic Magnetite Marl masses Melaphyres Mica Mica Schist Military Naval Oligoclase Oolitic Ordnance Orthoclase oxide of Iron paste pearly Phonolite plates porous Porphyry powder prisms Pumice Pyrites Pyroxene Quartz reddish rhombic base rock sandstone Schist schistose scoriaceous Silica slates sometimes steel point sulphuric acid Talc texture Tourmaline Trachytes TREATISE U. S. Army U. S. Navy varieties vitreous yellow yellowish yields
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